81 x 9 = 801. What must you do to make the this equation true?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

A sundial has the fewest moving parts of any timepiece. Which has the most?

What does this below rebus puzzle mean?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

What does does this rebus picture means ?